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Re: [Xen-devel] [PATCH 1/3] xen/arm: domain_build: Prepare DTB/ACPI tables after specific mappings



On Tue, 27 Feb 2018, julien.grall@xxxxxxx wrote:
> From: Julien Grall <julien.grall@xxxxxxx>
> 
> A follow-up patch will require to have all interrupts routed to the
> hardware registered before calling prepare_dtb/prepare_acpi.
> 
> At the moment, it is not necessary to call platform specific mappings
> (gic and platform) after, so it is fine to move them.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>


> ---
>  xen/arch/arm/domain_build.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
> index 941688a2ce..a5e5c82355 100644
> --- a/xen/arch/arm/domain_build.c
> +++ b/xen/arch/arm/domain_build.c
> @@ -2145,14 +2145,6 @@ int construct_dom0(struct domain *d)
>      allocate_memory(d, &kinfo);
>      find_gnttab_region(d, &kinfo);
>  
> -    if ( acpi_disabled )
> -        rc = prepare_dtb(d, &kinfo);
> -    else
> -        rc = prepare_acpi(d, &kinfo);
> -
> -    if ( rc < 0 )
> -        return rc;
> -
>      /* Map extra GIC MMIO, irqs and other hw stuffs to dom0. */
>      rc = gic_map_hwdom_extra_mappings(d);
>      if ( rc < 0 )
> @@ -2162,6 +2154,14 @@ int construct_dom0(struct domain *d)
>      if ( rc < 0 )
>          return rc;
>  
> +    if ( acpi_disabled )
> +        rc = prepare_dtb(d, &kinfo);
> +    else
> +        rc = prepare_acpi(d, &kinfo);
> +
> +    if ( rc < 0 )
> +        return rc;
> +
>      /*
>       * The following loads use the domain's p2m and require current to
>       * be a vcpu of the domain, temporarily switch
> -- 
> 2.11.0
> 

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